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Biology and control of tree hoppers injurious to fruit trees in the Pacific Northwest


Author:
Yothers, M. A.
Source:
Technical bulletin (United States. Dept. of Agriculture) ; no. 402 1934
Year:
1934
Subject:
Fruit -- Diseases and pests -- Northwestern States and Treehoppers
Format:
46 p., 8 p. of plates : ill. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection